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2026-06-21 - 15:09
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Sun Jun 21, 2026 12:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6196212666,7sleep30-21swapper/307:05:313
65412123113,7sleep10-21swapper/107:09:581
6327211678,9sleep20-21swapper/207:07:142
599621090,2sleep010-21rcuc/007:05:240
305882670,0sleep30-21swapper/311:45:173
275772630,0sleep10-21swapper/108:50:171
146192570,0sleep10-21swapper/111:30:161
671299295,20cyclictest14558-21/usr/sbin/munin10:35:142
670499280,27cyclictest0-21swapper/112:04:331
670499280,27cyclictest0-21swapper/109:26:561
670499280,27cyclictest0-21swapper/107:54:111
670499280,27cyclictest0-21swapper/107:45:281
6712992719,7cyclictest749-21snmpd10:19:542
671299271,25cyclictest0-21swapper/208:29:522
671299270,25cyclictest26966-21tune2fs07:25:132
670499270,26cyclictest0-21swapper/112:33:341
670499270,26cyclictest0-21swapper/109:35:381
670499270,26cyclictest0-21swapper/108:49:591
671299266,2cyclictest0-21swapper/212:10:102
671299260,25cyclictest0-21swapper/211:23:452
671299260,25cyclictest0-21swapper/209:58:292
671299260,25cyclictest0-21swapper/207:22:572
6704992622,3cyclictest0-21swapper/110:32:061
670499260,25cyclictest0-21swapper/110:29:331
670499260,25cyclictest0-21swapper/110:10:061
670499260,25cyclictest0-21swapper/109:53:421
670499260,25cyclictest0-21swapper/107:27:221
6712992518,6cyclictest749-21snmpd10:27:452
6712992517,7cyclictest749-21snmpd10:07:392
6712992517,7cyclictest749-21snmpd09:39:022
6712992517,7cyclictest749-21snmpd08:36:562
6712992517,7cyclictest749-21snmpd07:51:502
671299250,23cyclictest0-21swapper/210:00:122
671299250,14cyclictest0-21swapper/209:10:202
670499250,24cyclictest0-21swapper/111:48:031
670499250,24cyclictest0-21swapper/109:41:401
670499250,24cyclictest0-21swapper/109:05:051
670499250,24cyclictest0-21swapper/108:43:441
6712992422,2cyclictest0-21swapper/208:07:112
6712992418,4cyclictest749-21snmpd10:45:272
6712992417,6cyclictest749-21snmpd11:33:132
6712992417,6cyclictest749-21snmpd08:45:082
6712992416,7cyclictest749-21snmpd12:09:182
6712992416,7cyclictest749-21snmpd11:10:572
6712992416,7cyclictest749-21snmpd11:01:392
6712992416,7cyclictest749-21snmpd10:32:302
6712992416,7cyclictest749-21snmpd10:12:002
6712992415,8cyclictest749-21snmpd12:38:402
671299240,23cyclictest0-21swapper/208:18:202
671299240,13cyclictest0-21swapper/209:43:232
6704992421,3cyclictest0-21swapper/111:09:361
670499240,23cyclictest0-21swapper/110:45:211
6712992313,9cyclictest749-21snmpd08:40:112
6712992313,8cyclictest749-21snmpd10:52:242
671299230,7cyclictest7586-21/usr/sbin/munin11:55:142
671299230,10cyclictest0-21swapper/211:50:112
670499238,14cyclictest0-21swapper/107:30:221
6704992320,3cyclictest0-21swapper/111:27:011
6704992320,2cyclictest0-21swapper/108:39:491
670499230,23cyclictest0-21swapper/107:15:041
670499230,22cyclictest0-21swapper/112:06:101
670499230,22cyclictest0-21swapper/108:00:101
6712992214,7cyclictest749-21snmpd10:20:512
671299221,20cyclictest0-21swapper/207:10:462
671299220,21cyclictest0-21swapper/210:40:092
671299220,21cyclictest0-21swapper/209:27:292
671299220,21cyclictest0-21swapper/209:08:132
671299220,21cyclictest0-21swapper/208:24:292
671299220,21cyclictest0-21swapper/208:03:222
671299220,15cyclictest0-21swapper/207:19:072
6704992219,2cyclictest2844-21turbostat10:25:001
6704992218,3cyclictest0-21swapper/110:02:331
670499220,22cyclictest0-21swapper/112:12:301
670499220,21cyclictest0-21swapper/111:42:251
670499220,21cyclictest0-21swapper/111:19:001
670499220,21cyclictest0-21swapper/110:37:011
670499220,21cyclictest0-21swapper/110:08:211
670499220,21cyclictest0-21swapper/109:11:561
670499220,21cyclictest0-21swapper/108:27:131
670499220,21cyclictest0-21swapper/108:05:411
6702992218,2cyclictest18168-21sadc08:14:590
670299220,21cyclictest0-21swapper/012:14:180
671299216,14cyclictest0-21swapper/209:15:182
6712992117,3cyclictest749-21snmpd07:59:022
671299211,4cyclictest0-21swapper/209:45:122
6712992114,6cyclictest749-21snmpd11:18:462
671299211,15cyclictest0-21swapper/208:31:052
671299210,20cyclictest0-21swapper/212:15:062
671299210,20cyclictest0-21swapper/211:44:272
671299210,20cyclictest0-21swapper/210:55:392
671299210,20cyclictest0-21swapper/209:52:572
671299210,20cyclictest0-21swapper/208:58:292
671299210,20cyclictest0-21swapper/207:33:012
671299210,19cyclictest5019-21cstates09:00:142
670499217,8cyclictest0-21swapper/107:20:141
6704992117,3cyclictest0-21swapper/111:53:181
670499210,3cyclictest0-21swapper/107:57:281
670499210,20cyclictest0-21swapper/112:21:341
670499210,20cyclictest0-21swapper/111:37:001
670499210,20cyclictest0-21swapper/111:02:491
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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